Thermometer support base



FIG. 1 is a front perspective view of a thermometer support base showingour new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being amirror image thereto;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a top plan view thereof, the bottom plan view a mirror imagethereto.

The ornamental design for a thermometer support base, substantially asshown and described.